NAUHEIM TREATMENT; NAUHEIM BATH n.
ethod of therapeutic treatment administered, esp. for chronic diseases of the curculatory system, at Bad Nauheim, Germany, by G. Schott, consisting in baths in the natural mineral waters of that place, which are charged with carbonic acid, and the use of a graduated course of rest, physical exercises, massage, etc.; he…
NEBULAR a.
Herschel, Laplace, and others. As formed by Laplace, it supposed the matter of the solar system to have existed originally in the form of a vast, diffused, revolving nebula, which, gradually cooling and contracting, threw off, in obedience to mechanical and physical laws, succesive rings of matter, from which subseque…
NEPTUNE n.
The remotest known planet of our system, discovered -- as a result of the computations of Leverrier, of Paris -- by Galle, of Berlin, September 23, 1846. Its mean distance from the sun is about 2,775,000,000 miles, and its period of revolution is about 164,78 years. Neptune powder, an explosive containing nitroglycerin…
NERVOUS a.
rvous fever (Med.), a low form of fever characterized by great disturbance of the nervous system, as evinced by delirium, or stupor, disordered sensibility, etc. -- Nervous system (Anat.), the specialized coördinating apparatus which endows animals with sensation and volition. In vertebrates it is often divided into t…
NEURAL a.
relating to the nerves or nervous system; taining to, situated in the region of, or on the side with, the neural, or cerebro-spinal, axis; -- opposed to hemal. As applied to vertebrates, neural is the same as dorsal; as applied to invertebrates it is usually the same as ventral. Cf. Hemal. Neural arch (Anat.), the cart…
NIAGARA PERIOD n.
A subdivision or the American Upper Silurian system, embracing the Medina, Clinton, and Niagara epoch. The rocks of the Niagara epoch, mostly limestones, are extensively distributed, and at Niagara Falls consist of about eighty feet of shale supporting a greater thickness of limestone, which is gradually undermined by…